Dec 26, 2012 4:00am PST
possible to challenge the charges. invnvtment banks are powering down their stake in the energy business. energy was once a popular investment on wall street. in 2008, big banks were so involved in the market that banks powered an estimated 2 out of every 5 residential customers. however, lower prices and more regulation following the enron collapse are causing firms to take a step back from the business. recently, federal regulators banned jpmorgan chase from selling electricity for 6 months. it's part of an investigation that the bank manipulated energy prices in some parts of the u.s. the holiday parties are winding down on wall street. several financial firms in new york called off holiday events or scaled back. report say morgan stanely and credit suisse did not sponsor parties. citigroup, deutche bank, barclays and the investment banking unit of bank of america left it up to individual departments to pay out of their own accounts. back in the day, as in before the financial crisis, wall street firms rented out nightclubs and steakhouses in midtown for holiday celebrations.